Who should use it?- Elderly people with poor eye sight- School children- College students- Those wearing specs/glasses- Those whose specs power keep increasing- Drivers - taxi drivers, lorry drives, busdrivers, night time drivers- Those who spend a lot of time on the computers- Those who spend a lot of time on their smartphones and tablets- Those whose work uses a lot of %u201Ceye power%u201D- Those who suffer eye strain- Those whose work are tremendously stressful- Those who have problem falling asleep at night